VLC does indeed see the audio track and I confirm it is not playing the audio. I did work around the issue by converting it to a MPEG4 file with Handbrake.
Also checked with latest VLC 2.2.3 and VLC 3.0.0 nightly and see same issue.
If you have a shorter video that exhibits the same issue, please could you upload here:
http://streams.videolan.org/upload/ , providing an explanation of the issue there.
Providing logs, messages, configuration info (VLC, OS, Hardware) and a clear explanation of the issue always helps the problem solvers help you, even if they don't end up solving the issue. Just think what you would need if you were solving someone else's problem. Additional: Always looking for eager and capable MacOS X developers to join the VLC team - for more information
see here.